Gjennomsnittlig GPS-koordinater for postnummer 990-0871: 38.253, 140.333
Notering byer:
>> Douyaguchi 990-0871, Yamagataken, Yamagatashi, GPS-koordinater: 38.2533,140.3327
Notering byer:
>> Douyaguchi 990-0871, Yamagataken, Yamagatashi, GPS-koordinater: 38.2533,140.3327